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3 years ago

4 steps for Gene cloning

Biology

1 answer:

Marat540 [252]3 years ago

5 0

Step 1: Isolate the two kinds of DNA.

Step 2: Treat the plasmid and foreign DNA with the same restriction enzyme.

Step 3: Mix the foreign DNA with chopped plasmids.

Step 4: Add DNA ligase.

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In a species of insect, wing length is determined by a single gene, for which there are only two alleles. in a population of 150

Phantasy [73]

I believe the answer is c. because of Darwin's theory of evolution..

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2 years ago

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On what structures are genes located and what is their primary function?

padilas [110]

Explanation:

Genes are located on chromosomes, which are large pieces of DNA contained in a eukaryotic cell's nucleus.

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2 years ago

Give me an example of a rapid change to the earth's surface first right answer gets brainliest

natita [175]

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A) In how many cases in the genetic code would you fail to know the amino acid specified by a codon if you knew only the first t

Vesna [10]

Answer:

a) 28 cases

b) 3 cases

Explanation:

a) From the table of genetic codes, there are 28 codons that specify more than one amino acid assuming only the first two nucleotides are considered. In these cases, one cannot outrightly specify the amino acid the genetic codes are coding for without knowing the last nucleotide of the codes. <em>For example, UU can be for Phenylalanine or Leucine, CA can be for Histidine or Glutamine, etc. </em>

b) From the table of genetic codes, the first two nucleotides of Arginine can be either of CG or AG, that of Serine can be either of UC or AG while that Leucine can be either of CU or UU. Only in these <u>3 cases</u> would one fail to know which are the first two nucleotides assuming the name of the amino acids are given.

<em>See the attached image for the genetic code.</em>

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3 years ago

Scenario 1

velikii [3]

The population of Green-feathered birds decreases due to prefer other colour of male birds.

<h3>Why the population of Green-feathered birds decreases?</h3>

Green-feathered birds are becoming less and less common because of the female bird that choses the blue and red colour male for mating instead of green so that's why the population of Green-feathered birds decreases.

Learn more about mechanism here: brainly.com/question/1320373

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2 years ago